CultureInfo::IetfLanguageTag Property

Deprecated. Gets the RFC 4646 standard identification for a language.

Namespace:  System.Globalization
Assembly:  mscorlib (in mscorlib.dll)

[ComVisibleAttribute(false)]
public:
property String^ IetfLanguageTag {
	String^ get ();
}

Property Value

Type: System::String
A string that is the RFC 4646 standard identification for a language.

NoteNote

This property and the GetCultureInfoByIetfLanguageTag method are deprecated. Instead, you should use a the CultureInfo::Name property. IETF tags and names are identical.

The RFC 4646 standard that is maintained by the Internet Engineering Task Force (IETF) defines an IETF language tag, which provides a uniform means of identifying a language. The format of an IETF language tag is similar to the culture name returned by the Name property, but does not identify a culture uniquely. That is, different cultures share the same IETF language tag if those cultures have identical linguistic characteristics. The linguistic characteristics of a culture are contained in the TextInfo object associated with a CultureInfo object.

An IETF language tag consists of a mandatory language identifier, an optional script identifier, and an optional region identifier.

For more information, see RFC 5646, "Tags for Identifying Languages. For a list of subtags, see The IANA Language Subtag Registry.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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